LEDs

Powering LilyPad LED Projects

December 17, 2016

Learn how to calculate how many LEDs your LilyPad project can power and how long it will last.

LP55231 Breakout Board Hookup Guide

November 3, 2016

Get to know the LP55231 9-channel LED driver., and learn how to configure and program this surprisingly flexible IC.

Addressable RGB LED Music and Sound Visualizer

May 31, 2016

Use an Arduino and the SparkFun Sound Detector to create visualizations on Addressable RGB LED strips.

Cherry MX Switch Breakout Hookup Guide

April 21, 2016

How to assemble and use the Cherry MX Switch Breakout, allowing you to turn a matrix of mechanical switches into a full-size keyboard!

Boss Alarm

March 30, 2016

Build a Boss Alarm that alerts you of anyone walking into your office and automatically changes your computer screen.

SparkFun LED Array (8x7) Hookup Guide

March 10, 2016

Getting started with the Charlieplexed 8x7 LED array.

LED Cloud-Connected Cloud

February 22, 2016

Make an RGB colored cloud light! You can also control it from your phone, or hook up to the weather!

PicoBuck Hookup Guide V12

February 18, 2016

The PicoBuck board is a high-efficiency three-channel constant-current LED driver.

Button Pad Hookup Guide

January 7, 2016

An introduction to matrix scanning, using the SparkFun 4x4 Button Pad.

FemtoBuck Constant Current LED Driver Hookup Guide V12

December 10, 2015

The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.

LilyPad Pixel Board Hookup Guide

September 16, 2015

Add changing colors to your wearable projects using LilyPad Pixel Boards.

How LEDs are Made

May 28, 2014

We take a tour of a LED manufacturer and learn how PTH 5mm LEDs are made for SparkFun.

Customizing LilyPad LED Colors

May 19, 2014

A short guide to creating a rainbow of new LilyPad LED colors at home!

Das Blinken Top Hat

January 22, 2014

A top hat decked out with LED strips makes for a heck of a wedding gift.

Dot/Bar Display Driver Hookup Guide

January 16, 2014

How to hook up the LM3914 or LM3916 to drive a 10-LED display with a lone analog signal.

Quick Illuminated Boxes

December 16, 2013

A quick tutorial to show you how to add LEDs to gift or holiday bags or boxes.

RGB Panel Hookup Guide

December 12, 2013

Make bright, colorful displays using the 32x32 and 32x16 RGB LED panels. This hookup guide shows how to hook up these panels and control them with an Arduino.

IR Control Kit Hookup Guide

October 2, 2013

How to get the most out of the IR receivers and transmitters included in the IR Control Kit.

LED Light Bar Hookup

September 24, 2013

A quick overview of SparkFun's LED light bars, and some examples to show how to hook them up.

Light-Emitting Diodes (LEDs)

August 12, 2013

Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.

WS2812 Breakout Hookup Guide

July 24, 2013

How to create a pixel string with the WS2812!

Old Tutorials

Looking for the old, archived tutorials? Head on over to the archived tutorials on the main SparkFun site.
Please be aware that the tutorials you find there are no longer actively maintained.